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This chapter governs the electrical components, equipment and systems used in buildings and structures covered by this code. Electrical components, equipment and systems shall be designed and constructed in accordance with the provisions of NFPA 70.

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Electrical appliances
and fixtures within the scope of this code shall be tested and
listed in published reports of inspected electrical equipment
by an approved agency and installed in accordance with all
instructions included as part of such listing.

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Fuel tanks piped to and supplying fuel
for engine-driven generator assemblies may be
engine-mounted, located inside of a building, outside
of a building, or on a roof in accordance with
NFPA 37 or NFPA 30 and as modified by Section
1308 of the mechanical code for fuel oil and diesel
oil tank installations.

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Enginemounted
tanks located outdoors may be located
in accordance with Section 4.1.4 of NFPA 37 and
shall be vented in accordance with NFPA 30.
Engine-mounted tanks shall be provided with
adequate clearance to enable filling, maintenance,
and testing, shall be safeguarded against
public access, and shall be protected from
impact.

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Fuel tanks,
other than engine-mounted tanks, piped to and
supplying the generator engine shall be located,
installed, and vented in accordance with the
applicable sections of NFPA 37 or located,
installed, and vented in accordance with NFPA
30.

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Emergency power systems and standby power systems required by this code or the International Fire Code shall be installed in accordance with the International Fire Code, NFPA 70, NFPA 110 and NFPA 111.shall be installed in accordance
with this code and NFPA 70. The performance, classification,
transfer, testing, and maintenance of emergency and
standby power systems shall also comply with either
NFPA 110 (liquid- and gas-fueled systems) or NFPA 111
(battery and inertia systems), as applicable.

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Emergency power systems shall automatically provide secondary power within 10 seconds after primary power is lost, unless specified otherwise in this code. Standby power systems shall automatically provide secondary power within 60 seconds after primary power is lost, unless specified otherwise in this code.

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In Group I-2 occupancies, in new construction or where the building is substantially damaged, where an essential electrical system is located in flood hazard areas established in Section 1612.3, the system shall be located and installed in accordance with ASCE 24.

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Standby power shall be provided for emergency responder radio coverage systems required in Section 916 and the International Fire Codefire code. The standby power supply shall be capable of operating the emergency responder radio coverage system for a duration of not less than 24 hours.

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Emergency power shall be provided for emergency voice/alarm communication systems as required in Section 907.5.2.2.5. The system shall be capable of powering the required load for a duration of not less than 24 hours, as required in NFPA 72.

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Standby power shall be provided for auxiliary inflation systems in permanent membrane structures as required in Section 3102.8.2. Standby power shall be provided for a duration of not less than 4 hours. Auxiliary inflation systems in temporary airsupported and air-inflated membrane structures shall be provided in accordance with Section 3103.10.4 of the International Fire Codefire code.

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Penetrations of walls, floors, ceilings
and assemblies required to have a fire-resistance rating,
shall be protected in accordance with Chapter 7. Where
cables, conductors and raceways penetrate fireblocking or
draftstopping, such penetrations shall be protected by filling
the annular space with an approved fireblocking material.

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The cutting, notching
and boring of wood and steel framing members, structural
members and engineered wood products shall be in accordance
with this code and as prescribed by the registered
design professional.

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Smoke detectors required by
this code and installed within dwelling units shall not be connected
as the only load on a branch circuit. Such detectors
shall be supplied by branch circuits having lighting loads
consisting of lighting outlets in habitable spaces.